I am a Full-stack Software Engineer with over 4 years of experience designing and maintaining mission-critical, high-availability systems in the EdTech space. I have delivered scalable web platforms, computer vision pipelines, and data-intensive services relied upon by government ministries to administer standardized assessments across Canada. Known for taking ownership of complex challenges and functional areas, optimizing performance, and ensuring data integrity at scale. I am passionate about tackling complex challenges, improving processes, and taking ownership of projects. I actively mentor teammates, improve operational areas like UI/UX and deployment practices, and introduce guidelines to help developers deliver high-quality software efficiently and securely. I have also led teams, implemented accessibility features, and developed solutions that support international education institutions and large-scale user bases.

Greg Betsan

I am a Full-stack Software Engineer with over 4 years of experience designing and maintaining mission-critical, high-availability systems in the EdTech space. I have delivered scalable web platforms, computer vision pipelines, and data-intensive services relied upon by government ministries to administer standardized assessments across Canada. Known for taking ownership of complex challenges and functional areas, optimizing performance, and ensuring data integrity at scale. I am passionate about tackling complex challenges, improving processes, and taking ownership of projects. I actively mentor teammates, improve operational areas like UI/UX and deployment practices, and introduce guidelines to help developers deliver high-quality software efficiently and securely. I have also led teams, implemented accessibility features, and developed solutions that support international education institutions and large-scale user bases.

Available to hire

I am a Full-stack Software Engineer with over 4 years of experience designing and maintaining mission-critical, high-availability systems in the EdTech space. I have delivered scalable web platforms, computer vision pipelines, and data-intensive services relied upon by government ministries to administer standardized assessments across Canada. Known for taking ownership of complex challenges and functional areas, optimizing performance, and ensuring data integrity at scale.

I am passionate about tackling complex challenges, improving processes, and taking ownership of projects. I actively mentor teammates, improve operational areas like UI/UX and deployment practices, and introduce guidelines to help developers deliver high-quality software efficiently and securely. I have also led teams, implemented accessibility features, and developed solutions that support international education institutions and large-scale user bases.

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Experience Level

Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
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Language

English
Advanced

Work Experience

Software Developer at Vretta Inc
August 1, 2022 - Present
Consistently delivered and maintained production-grade features under tight timelines, taking ownership from design through deployment while mentoring teammates through code reviews. Optimized a machine vision algorithm yielding over 98% improvement in scanning performance and speed. Developed Redis-based caching and write-buffer features enabling the application to scale to 120,000 simultaneous write-heavy users and eliminated system slowdowns. Integrated and maintained a high-volume Stripe billing system, securely handling payments for international education institutions. Took initiative improving operations, UI/UX, deployment practices, and introduced developer guidelines. Implemented an AWS-based video codec conversion ensuring video playback compatibility for students using locked-down browsers. Designed and implemented a Message Center to facilitate timely communication with over 50,000 educators across Ontario, enhancing communication and efficiency. Aided in implementing acces
Full Stack Developer at Freelance
August 1, 2018 - August 7, 2025
Implemented OAuth authentication into an existing Django project, increasing security and improving UX. Built and deployed responsive web applications for local clients, delivering end-to-end solutions using Node.js, Angular, and Ruby on Rails. Improved various existing projects on Ruby on Rails following client requirements.
Junior Full Stack Developer at Team Voy | B2B Consulting
May 1, 2017 - August 7, 2025
Developed and maintained RESTful APIs in Ruby on Rails for enterprise B2B platforms serving high-volume clients in logistics and finance. Collaborated cross-functionally on product features integrating backend APIs with Vue.js single-page applications. Participated in code reviews to improve skills and learned common coding mistakes. Followed best coding practices and wrote well-structured object-oriented code under supervision. Ensured proper integration of API endpoints into Vue.js front-end. Refactored existing codebases to comply with company code standards using code style checkers. Participated in developing and optimizing critical background jobs using queue-management software in Ruby and Go.

Education

Electronics Engineering at Seneca College
September 1, 2019 - April 1, 2022

Qualifications

Junior Academy of Sciences of Ukraine under UNESCO Award
January 1, 2018 - August 7, 2025

Industry Experience

Education, Government, Software & Internet, Professional Services

Experience Level

Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
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